Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
103992787Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 276
TF target 276
P-1
B1 = 566000
B2 = 173806710
LL
StatusDateUserResidueShift
Unverified2020-03-30curtisc0FFFEBCE5A6F85__93776431
History
DateUserTypeResult
2023-01-16Mark RoseNF-PM1
B1=566000, B2=173806710
2021-05-01TheJudgerNF
no factor from 2^75 to 2^76
2020-03-30curtiscC-LL
0FFFEBCE5A6F85__
2020-02-03curtiscNF-PM1
B1=1180000
2020-01-29ChuckNF
no factor from 2^74 to 2^75
2019-08-05Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-08-05Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2014-12-22shaugeNF
no factor from 2^71 to 2^72
2014-10-25-Anonymous-NF
no factor from 2^70 to 2^71
2014-10-14David_DirkxNF
no factor from 2^69 to 2^70
2014-10-09g0bNF
no factor from 2^68 to 2^69
2014-05-27-Anonymous-NF
no factor from 2^67 to 2^68
2013-09-04g0bNF
no factor from 2^66 to 2^67
2012-05-03sasaki3NF
no factor from 2^65 to 2^66
2010-08-25Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-17Torchwood InstituteNF
no factor from 2^63 to 2^64